SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported)

September 15, 2010

AFS SenSub Corp.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number including area code - (817) 302-7000

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Description of the Securities and the Auto Loans

The Registrant, as Depositor, and AmeriCredit Financial Services, Inc., as Sponsor (“AmeriCredit”), plan to cause AmeriCredit Automobile Receivables Trust 2010-3 (the “Trust”), a newly formed issuing entity, to issue $123,000,000 Class A-1 0.31125% Asset Backed Notes (the “Class A-1 Notes”), $281,000,000 Class A-2 0.77% Asset Backed Notes (the “Class A-2 Notes”), $194,251,000 Class A-3 1.14% Asset Backed Notes (the “Class A-3 Notes”), $71,995,000 Class B 2.04% Asset Backed Notes (the “Class B Notes”), $93,361,000 Class C 3.34% Asset Backed Notes (the “Class C Notes”), $86,393,000 Class D 4.98% Asset Backed Notes (collectively, the “Notes”) and an Asset Backed Certificate, on September 23, 2010. The Notes will be registered under the Registration Statement filed by the Registrant and AFS SenSub Corp. with the Securities and Exchange Commission under the file number 333-146701.

The Notes, which evidence indebtedness of the Trust, the assets of which consist primarily of retail installment sales contracts secured by new and used automobiles, light duty trucks and vans financed thereby, will be sold to Barclays Capital Inc., UBS Securities LLC, Wells Fargo Securities, LLC, Credit Suisse Securities (USA) LLC, J.P. Morgan Securities Inc. and RBS Securities Inc. (the “Underwriters”), pursuant to an Underwriting Agreement attached hereto as Exhibit 1.1, dated as of September 15, 2010 (the “Underwriting Agreement”), among AmeriCredit, AFS SenSub Corp. (or the Registrant), Barclays Capital Inc., as a representative of the Underwriters, UBS Securities LLC, as a representative of the Underwriters, and Wells Fargo Securities, LLC, as a representative of the Underwriters. This Current Report on Form 8-K is being filed in connection with the execution of the Underwriting Agreement to satisfy an undertaking to file copies of certain agreements executed in connection with the issuance of the Notes. A form of the Underwriting Agreement was filed as an Exhibit to the Registration Statement.

1.1 Underwriting Agreement, dated as of September 15, 2010, among AmeriCredit, as Sponsor, AFS SenSub Corp., as Seller, Barclays Capital Inc., as a representative of the Underwriters, UBS Securities LLC, as a representative of the Underwriters, and Wells Fargo Securities, LLC, as a representative of the Underwriters.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: September 16, 2010

3

EXHIBIT INDEX

4